First, please, check your Spam/Updates folder, it might be the case that the confirmation letter was moved there by the email client.
You can also find the information about your order in your 2Checkout myAccount.
If the information is not available, you can contact our Support Team or check the Lostkey form.
Please, specify your order email and, if possible, your order number.
If the purchase was made through our partners, please, contact the seller directly.